Toothbrush



FIG. 1 is a perspective view of a toothbrush embodying my new design;

FIG. 2 is an end view thereof, viewed from the brush end;

FIG. 3 is an end view thereof, viewed from the handle end opposite the brush end;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view thereof, viewed from below FIG. 4, the opposite side elevation thereof being the mirror image of FIG. 5; and

FIG. 6 is a bottom view thereof. 

The ornamental design for a toothbrush, substantially as shown and described. 